Educational device for teaching telegraphy.



No. 723,716. PATENTED MAR. 24', 1903.

C. W. NEWMAN L W.`H. YOUNG.

EDUCATIONAL DEVICE FOR TEACHING TELEGRAPHY.

APPLICATION FILED DBO. 26, 1902.

No MQDEL.

GEORGE W. NEVMAN AND WILLIAM II. YOUNG, OF EVANSVILLE, INDIANA.

EDUCATIONAL DEVICE FOR TEACHING TELEG RAPHY.

SPECIFICATION forming part of Letters Patent No. 723,716, dated March 24, 1903.

jlieatior fad iccmber 26,1902. Serial No. 136,595. (No model.)

To a/ZZ urbani/132' may concern: i each of the numerals is arranged its synonym Be it known that we, GEORGE W. NEWMAN of the Morse telegraphic alphabet, as at 5. and-WILLIAM H. YOUNG, citizens of the The hase is provided in a like manner with United States, residing at Evansville, in the the following words: Oomma, Colom 55 5 county of `Vanderburg and State of Indiana, and Period and the $5, as at 6, 7, S, and I,have invented new and useflil Improvements 9, 'and below each of these words and the t5 in Educational Devices for Teaching Telegis arranged its synonym of the Morse teleraphy,of which the followingisaspecication. graphic alphabet, as at 10.

This invention relates to certain new and Secured to the upper face of the base by 6o to useful improvements in educational devices, means of the screws 1l or other suitable fasand is lparticularly adapted for teaching and toning means is the soundin'gbaf of.V the inpracticing telegraphy. strument. The sounding-bar is prefer-ably The invention aims to provide anI educa- U^shaped in contour and is constrgucted with tional device which may be termed a wi'rean upper arm 12, an intermediate arm 13,' 65 I5 less batteryless telegraphic sounding-key. and lower arm 14. The latter is'formedin- The invention further aims to construct an tegral with the depending support 16, through educational telegraphic instrument which which extends the fastening means 11, so that shall be extremely simple in its construction, the sounding-bar can be connected to and strong, durable, instructive iu its use, and supported upon the base. The upper face of 7o 2o comparatively inexpensive to manufacture. the lower arm 14near its free end is formed With the abve and other objects in View With a transversely-extending ridge 17, and the invention consists ci' the novel combinathe lower arm 14 is of greater length than the tion and arrangementl of parts hereinafter upper arm 12. The latter is provided witha v more specifically described, illustrated in the screw-threaded opening 18, through which ex- 75 z5 accompanying drawings, and particularly tends the adjustable sounding-screw 19. The pointed out in the claims hereunto appended. latter is adapted to connect tothe upper arm In describing the invention in detail refer- 12 of the sounding-bar the resonator 20which ence is had to the accompanying drawings, issubstantiallycup-shaped,the bottom thereforming a part of this specification, and in of resting upon the top of the upper arm 12. 8o

3o which- The adjustable sounding-screw 19 carries a Figure l is a perspective view, and Fig. 2 nut 21, which is adapted to engage the upper is a sectional side elevation. face of the bottom of the resonator 20, so that Referring to the drawings by reference charit will permit of the adjusting of the soundingacters, 1 denotes the base, which is preferably screw 19 and at the same time securely hold 8 5 35 rectangular in contour, although any form the'resonator 20in position. The nut 21 may of base may be employed, and the base may be called a clamping-nut, and its purpose beconstructed of anysuitable material. The is to clamp the resonator in position, at the base 1 is preferably hollow, but may be solid, same time permitting of the vertical adjustif desired. It is evident when a hollow base ing of the screw 19. Y 9o 4o is used that the sound when the instrumentV The reference character 22 denotes -a key is operated will be increased. Upon the upwhich is adapted. to extend normally between per face of the base l is stamped, printed, the upper and lower arms l2 and 14 of the embossed, or otherwise placed thereon the sounding-bar. The key.,22 is constructed so Arabic alphabet, as indicated by the referthat it will extend a part of its length in a 95 45 lence character 2, and boina' each oi the lets. ``longitudinal manner-md then is bent upters forming the said alphabet 2 is arranged wardly, as at 23, andthen longitudinally,as its synonym of the Morse telegraphic alphaat 24, and then dowi wardly'in-acurvilinear bet, as shown at' 3. The upper face of the manner, as at 25, the end of thecurvilinear base is also provided in a like manner with portion 25 being adapted to have secured to Ico 5o the numerals 1, 2, 3, 4, 5, 6, it the finger-button 2G. The key 22 is piv- 7, 8, 9, and 0, as at 4, and below oted in the supporting-bracket 27 by means ot a pin or stud 2S, connected to the upper portion of the bracket and extending through the longitudinal portion 24 of the key. The longitudinal portion 24 is provided with an opening through which extends the adjusting-screw 29, carrying the adj listing-nut 30. 'lhe lower end ot' the adjusting-screw 29 is connected to a coil tension-spring 3l, while the lower end of the .spring 31is connected to a projection 32, formed integral with the bottom of the bracket 27. The latter is connected to the upper face of the base by means of the screws 33 or other suitable fastening means.

The instrument is constructed in such a manner as to dispense with batteries or Wires, so under the circumstances it can be termed a wireless,and batteryless telegraphic instrument, and it will be evident that when the scholar desires to use the instrument for the purpose of instruction in the Morse telegraphic alphabet he can refer to the Arabic character desired and then below the said character to its synonym of the Morse alphabet and operate the key to produce the proper sound.

It will be evident that the operation ofthe device is that by depressing the key the same makes an upstroke or click and that the spring pulls the key back to make the down or second stroke, the upstroke being the engagement. of the key with the screw 19 and the down or second stroke being the engagelnentof the key with the ridge 17 of thelower arm la. The end of the key 22 is so arranged in the sounding-bar that by regulatirg the screw 19 the click or sound can be increased or diminished, and the spring 3l can be so tensioned that the key 22 can be worked with a light or heavy stroke. The resonator upon the sounding-bar is adapted to cause the sound to be a metallic one when the key operated.

It is thought the many advantages of au educational appliance for teaching telegraphy can be readily understood from the foregoing description, taken in connection with the accompanyingdrawings, andit will furthermore be evident that changes, variations, and modi- Ilcations can be resorted to without departing from the spirit of the invention or sacrificing any of its advantages, and we therefore do not wish to restrict ourselves to the details of construction hereinbefore described and as shown in the accompanying drawings, but reserve the right to make such changes, variations, and modifications as come properly within the scope of the protection prayed.

Having thus fully described our invention, what we claim as new, and desire to secure by Letters Patent, is-

1. An educational appliance comprising a base havingits upperface provided with characters and the synonyms therefor according to the Morse telegraphic alphabet,a soundingbar mounted upon said hase, a resonator connected to the top of said sounding-bar, and a spring-returned key mounted upon the base and extending in said bar.

2. An educational appliance consisting of a base, a sounding-bar supported thereby, a cup-shaped resonator secured to the top ot' said bar, and a spring-returned key mounted upon said base and extending in said bar.

3. An educational appliance consisting of a hollow base, a sounding-bar supported thereby, a cup-shaped resonator secured to the top of said bar, and a spring-returned key mounted upon said base and extending in said bar.

et. An educational appliance comprising a base, a sounding-bar mounted thereon, a cupshaped resonator secured to the top of said bar,a pivotal key extendin gin said bar, means secured to the base for pivotally supporting the said key, and a spring adjustably connected at one end to said key and fixedly connected at its other end to said means.

5. An educational appliance comprising a hollow base, a sounding-bar mounted thereon, a cup-shaped resonator secured to the top of said bar, a pivotal key extending in said bar, means secured to the base for pivotally supporting the said key, and a spring adjustably connected at one end to said key and fixedly connected at its other end to said means.

6. An educational appliance comprising a base havin gits upper face provided with characters and the synonyms therefor according 'to the Morse telegraphic alphabet, a sounding-bar mounted thereon, a cup-shaped resonator secured to the top of said bar, a pivotal key extending in said bar, means secured to the base for pivotally supporting the said key, and a spring adj ustably connected at one end to said key and iixedly connected at its other end to said means.

7. An educational appliance comprising a hollow oase having its upper face provided with characters and the synonyms therefor according to the Morse telegraphic alphabet, a sounding-bar mounted thereon,a cup-shaped resonator secured to the top oi' said bar, a pivotal key extending in said bar, means secured to the base for pivotally supporting the said key, and a spring adjustably connected at one end to said key and ixedly connected at its other end to said means.

8. An educational appliance comprising a base havingits upper face provided with characters and the synonyms therefor according to the Morse telegraphic alphabet, a sounding-bar supported by said base and comprising an upper, lower and intermediate arm, said lower arm provided with a ridge, a cupshaped resonator mounted upon the upper arm of the sounding-bar, an adjustable screw adapted to connect said resonator tothe upper arm of said sounding-bar, a pivotal key extending between the upper and lower arm of said sounding-bar, means secured to the base for pivotally supporting the said key, an adjustable screw extending through said key, a spring having one end connected to the IOO IOS

IlO

lower end of -said screw and its other end to the said means,and a finger-piece secured to said key.

9. Au educational appliance comprising a hollow base having its upper face provided with characters andthe synonyms therefor according to the Morse telegraphic alphabet, a sounding-bar supported by said base and comprising an upper, lower and intermediate arm, said lower arm provided with a ridge, a cup-shaped resonator mounted upon the upper arm of the sounding-bar, an adjustable screw adapted to connect said resonator to the upper arm of said sounding-bar, a pivotal key extending between the upper and lower 'arm of said sounding-bar, means secured to the base for pivotally supporting the said key, an adjustable screw extending through said key, a spring having one end connected to the lower end of said screw and its other zo end to the said means, and a linger-piece secured to said key.

In testimony whereof we have hereunto set our hands in presence of two subscribing wit- 

